diff --git a/webauthn.opam b/webauthn.opam
index 0606721..f925fae 100644
--- a/webauthn.opam
+++ b/webauthn.opam
@@ -16,7 +16,7 @@ build: [
 depends: [
   "ocaml" {>= "4.08.0"}
   "dune" {>= "2.7"}
-  "dream" {dev}
+  "dream" {dev & >= "1.0.0~alpha2"}
   "ppx_blob" {dev}
   "cmdliner" {dev}
   "logs" {dev}